Home / 26,180.88-39,270.73-6,459.60

Finding the Fourth Proportional to 26,180.88, 39,270.73 and 6,459.60

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Solution

The fourth proportional to 26,180.88, 39,270.73 and 6,459.60 is: 9,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.88 : 39,270.73 = 6,459.60 : x
  2. Step 2: Convert to fraction form
    26,180.88/39,270.73 = 6,459.60/x
  3. Step 3: Cross multiply
    26,180.88x = 39,270.73 × 6,459.60
  4. Step 4: Simplify right side
    26,180.88x = 253,673,207.51
  5. Step 5: Solve for x
    x = 253,673,207.51/26,180.88
  6. Step 6: Final answer
    x = 9,689.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.